There are numerous specific torts including trespass, assault, battery, negligence, products liability, and intentional infliction of emotional distress. Call Our Experienced Philadelphia Mass Tort Lawyers Today at 215-608-9645.Conversion is the deprivation of another's right to use or possess personal property. Product Liability and Mass Torts. There is no cost to join! The ABA is the largest voluntary association of lawyers in the world. A tort is an action considered wrongful, harmful, or that infringes on another's rights.